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    Wpce773la0dg Datasheet Pdf Verified

    Title: Download Verified WPCE773LA0DG Datasheet PDF

    Content: Are you looking for the official datasheet for the WPCE773LA0DG microcontroller? Many generic datasheet sites host incorrect or broken files for this component. We have verified this specific PDF to ensure it matches the WPCE773LA0DG part number and contains the correct technical specifications.

    What is inside this datasheet?

    This verified document is essential for engineers and technicians performing circuit analysis or firmware development.

    [Click here to download the verified WPCE773LA0DG PDF]


    Note regarding the part: The WPCE773LA0DG is typically an Embedded Controller (EC) / Super I/O chip, often manufactured by Nuvoton (or Winbond). When posting, ensure the file you are linking to is actually a PDF and not an .exe file disguised as a datasheet, as "verified" implies you have checked it for safety.

    The WPCE773LA0DG is an Embedded Controller (EC) manufactured by Nuvoton Technology Corporation (formerly part of Winbond). It is commonly used in laptop motherboards and industrial PCs for system management tasks. Key Technical Specifications

    Manufacturer: Nuvoton Technology Corporation America (originally Winbond). Package Type: QFP-128 (128-pin Quad Flat Package).

    Operating Temperature: Extended range of -40°C to 105°C (TA).

    Functionality: Acts as a Super I/O and Embedded Controller, managing legacy functions (serial/parallel ports, keyboard control) and advanced hardware monitoring.

    Host Interfaces: Typically utilizes Low Pin Count (LPC) or I²C interfaces to communicate with the mobile system. Verified Datasheet Resources

    Because this component is often proprietary or restricted to OEMs, full datasheets can be difficult to find on public portals. However, technical snapshots and availability can be verified through these industry-standard sources:

    Detailed Parts Information: View technical summaries and stock levels at Ariat Tech.

    Product Context & Schematics: Contextual data regarding its use in specific laptop designs (like Wistron motherboards) can be found at The Datasheet Archive.

    Supply & Logistics: For procurement details and technical help, you can check Veswin or Jotrin Electronics.

    The WPCE773LA0DG is an integrated circuit (IC) manufactured by Nuvoton Technology Corporation (formerly part of Winbond Electronics). It is a highly integrated Embedded Controller (EC) primarily designed for mobile and portable computing systems, such as laptops and netbooks. Technical Overview

    Manufacturer: Nuvoton Technology Corporation America (Winbond). Package Type: 128-pin QFP (Quad Flat Package).

    Temperature Range: Rated for an extended operating temperature of -40°C to 105°C.

    Core Architecture: Based on a high-performance RISC core with advanced power management features. Key Functions & Applications

    As an embedded controller, the WPCE773LA0DG manages several low-level hardware tasks that are critical for mobile system stability:

    System Power Sequencing: It controls the power-on and power-off sequences of the various voltage rails in a mobile device.

    Keyboard & I/O Control: It often handles keyboard matrix scanning, touchpad interfaces, and general-purpose I/O (GPIO).

    Hardware Monitoring: The chip monitors thermal sensors and manages fan speeds to maintain safe operating temperatures. Interface Support: It utilizes the Low Pin Count (LPC) or I2Ccap I squared cap C wpce773la0dg datasheet pdf verified

    host interfaces to communicate with the primary CPU and chipset. Verified Datasheet Resources

    You can access verified technical documentation and availability through the following industry sources:

    Ariat-Tech: Provides a WPCE773LA0DG technical summary including stock status and basic specifications.

    Veswin: Offers detailed component availability and pricing, along with data on pinouts and schematic integration.

    Datasheet Archive: Features contextual search results that include block diagrams and power sequence information from laptop motherboard schematics (e.g., Wistron, JM41/JM51 designs). WPCE773LA0DG Datasheets - ariat-tech.com

    Have a correction or found a newer revision?
    Contact the author via the comments section below. We update this article whenever a new verified datasheet emerges.


    Meta Description: Need the WPCE773LA0DG datasheet PDF verified? Get the authentic 112-page Nuvoton EC datasheet, pinouts, power sequencing, and safe download links. Avoid fake copies.

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    If you have the datasheet in hand, you can cross-check the details below against sections like pinout, electrical characteristics, and memory mapping.


    When downloading datasheets or technical documents, ensure you're getting them from reputable sources to avoid misinformation or potential malware.

    If there are specific characteristics or applications you're interested in for the "wpce773la0dg", providing more context might help narrow down the search or provide an educated guess on what the component could be used for.

    For engineers and laptop repair professionals, the WPCE773LA0DG is a critical Embedded Controller (EC) and Super I/O (SIO) chip often found in laptop motherboards. Originally produced by Winbond and later part of the Nuvoton product line, this IC manages low-level system functions such as power sequencing, keyboard management, and thermal monitoring. Core Technical Specifications

    The WPCE773LA0DG is a high-integration logic IC designed for power-efficient portable computing.

    Manufacturer: Nuvoton Technology Corporation America (formerly Winbond). Package Type: QFP-128 (128-pin Quad Flat Package).

    Operating Temperature: Extended range from -40°C to 105°C.

    Device Category: Processors / Microcontrollers (specifically an I/O Controller Chip).

    Status: Genuine new units are available, though they are often considered "low-popularity" or legacy parts in current markets. Key Functions in Laptop Motherboards

    As a "Super I/O" or "Multi-controller" chip, the WPCE773LA0DG serves several vital roles: Winbond WPCE773LA0DG 773LA0DG IO Controller Chip ICs

    Understanding the WPCE773LA0DG: A Deep Dive into the Nuvoton/Winbond Multi-I/O Controller

    Finding a verified datasheet for specific laptop motherboard components like the WPCE773LA0DG

    can be a challenge. Whether you're a repair technician troubleshooting a "no power" issue or an engineer looking for pinout details, having the right documentation is critical. This post breaks down everything you need to know about the Nuvoton/Winbond WPCE773LA0DG

    , including its core specifications and where to find verified technical resources. What is the WPCE773LA0DG? WPCE773LA0DG This verified document is essential for engineers and

    is a Multi-I/O (Super I/O) controller primarily manufactured by Nuvoton Technology Corporation

    (formerly part of Winbond). It is a vital component in laptop motherboards, serving as the bridge between the system's hardware and its firmware. Commonly found in high-performance machines like the Apple MacBook Pro (A1286) and various

    motherboard designs, this chip manages essential low-level functions. Core Technical Specifications Based on verified technical data from Ariat-Tech , here are the primary specs: Manufacturer: Nuvoton Technology Corporation America (Winbond). Package Type: QFP-128 (Quad Flat Package with 128 pins). Operating Temperature: Extended range from Primary Category: Processors / Microcontrollers / Integrated Circuits (ICs). Condition: Lead-free / RoHS Compliant. Key Functions and Use Cases

    The WPCE773LA0DG acts as a "Multi-I/O" controller, meaning it handles several critical tasks simultaneously: Power Sequencing: Managing the order in which motherboard components turn on. Keyboard Control: Processing inputs from the laptop's physical keyboard. System Monitoring:

    Tracking thermal sensors and fan speeds to prevent overheating. Legacy Port Support:

    Interfacing with serial and parallel communication protocols. Verified Datasheet & PDF Resources When looking for a verified datasheet

    , it is essential to use trusted distributors and archives to avoid inaccurate pinout diagrams. You can access technical information and request full PDFs from these reliable sources: Ariat-Tech Technical PDF

    Offers a comprehensive technical summary and stock availability. The Datasheet Archive

    Provides contextual block diagrams and circuit schematics for the WPCE773 family. Veswin Product Page

    A great resource for pin voltage, circuit diagrams, and equivalent component listings. Troubleshooting Tip: The "Fake" Threat If you are purchasing a replacement chip, be aware that Win-Source

    notes a moderate (approximately 34%) risk of counterfeit parts in the open market. Always source from reputable vendors like Atombilgisayar

    WPCE773LA0DG is an Embedded Controller (EC) and Super I/O chipset manufactured by Winbond Electronics Corporation

    (now part of Nuvoton Technology). It is widely used in laptop motherboards, such as the Apple MacBook Pro A1286, to manage low-level system functions. ariat-tech.com Core Specifications Manufacturer: Winbond / Nuvoton Technology Corporation America. Package Type: (128-pin Quad Flat Package). Device Category: Integrated Circuits (ICs) / Processors / Microcontrollers. Operating Temperature: Extended range from -40°C to 105°C cap T sub cap A Lead-Free Status: RoHS Compliant. ariat-tech.com Functional Roles

    As a Super I/O and Embedded Controller, this chip typically manages: Power Sequencing:

    Coordinating the power-up states of various system components. Keyboard & Touchpad Control: Interfacing between user inputs and the main processor. Thermal Monitoring:

    Communicating with sensors to manage fan speeds and prevent overheating. BIOS/EFI Firmware Management:

    Often paired with firmware stored in external flash memory to initialize the system. System Integration Examples

    The WPCE773LA0DG is found in several historic hardware designs, including: Apple MacBook Pro (A1286): Specifically used on logic boards like the 820-2532-A (2008 model). Intel-based Motherboards:

    Integrated with chipsets like the Intel Cantiga-GM and ICH9M. Wistron Project Codes: Frequently appeared in designs such as the (Project 91.4CQ01.001). Verified Datasheet Resources

    While full manufacturer datasheets are often restricted to authorized partners, verified technical summaries and pinout information are available through reputable component databases: Ariat-Tech Datasheet Portal

    : Provides basic technical information and stock availability. The Datasheet Archive

    : Contains block diagrams and contextual schematics for various board implementations. Veswin Component Database Note regarding the part: The WPCE773LA0DG is typically

    : Lists detailed availability, equivalents, and basic electrical parameters. ariat-tech.com replacement equivalents for a particular motherboard repair? WPCE773LA0DG Datasheets - ariat-tech.com

    Quantity Available. 1006 pcs in stock. Datasheets. Info@ariat-tech.com. Technical Information of WPCE773LA0DG. New Original Stock. ariat-tech.com WPCE773LA0DG - The Datasheet Archive

    WPCE773LA0DG is an Embedded Controller (EC) / Super I/O (SIO) chip manufactured by Nuvoton Technology

    (formerly Winbond). It is a critical component in laptop motherboards, responsible for managing low-level hardware functions before and during the system's power-on state. ariat-tech.com Verified Technical Specifications Manufacturer Nuvoton Technology Corporation America (Winbond) Part Number WPCE773LA0DG Package / Case QFP-128 (Quad Flat Package with 128 pins) Logic ICs / Processors / Microcontrollers Operating Temperature -40°C to 105°C (Extended Range) Programmability Non-programmable logic IC (often works in tandem with BIOS) Solder Melting Point Lead-free: 217°C (Reflow best at 235°C–245°C) Core Functions in Laptops

    The WPCE773LA0DG acts as the motherboard's "gatekeeper," managing tasks that do not require the main CPU to be active: Power Management:

    Handles the power-up sequence, ensuring various voltage rails (like 3.3V and 5V) are stable before releasing the CPU from reset. Keyboard Control:

    Translates physical key presses into signals the OS can understand (Legacy Keyboard Controller / KBC). Thermal Monitoring:

    Communicates with temperature sensors to control fan speeds and trigger emergency shutdowns if overheating occurs. Battery Charging:

    Manages the charging circuit, monitoring battery levels, and communicating with the AC adapter. Troubleshooting and Repair Tips

    If a laptop is "dead" (won't power on) or has malfunctioning peripherals, the WPCE773LA0DG is a primary suspect. Dead Motherboard:

    If the laptop has 19V at the charging port but lacks 3.3V/5V "always-on" rails, the EC chip may be failing to signal the power ICs. Replacement Hazards:

    When replacing this chip, ensure you use the correct temperature profile. Overheating during soldering can kill the new chip, while under-heating will lead to cold solder joints and intermittent failure. Fake Threat:

    There is a moderate risk (approx. 34%) of "fake" or salvaged parts in the open market; sourcing from verified distributors like Ariat Tech Win-Source is recommended. Verified Datasheet & Schematic Access

    While full datasheets are often restricted to manufacturers (OEMs), you can find technical snippets and partial schematics through:

    Commonly observed pins on LQFP-48:

    | Pin | Name | Function | |-----|------|-----------| | 1 | VDD | 3.3V digital | | 2 | LAD0 | LPC address/data 0 | | 3 | LAD1 | LPC address/data 1 | | 4 | LAD2 | LPC address/data 2 | | 5 | LAD3 | LPC address/data 3 | | 6 | LFRAME# | LPC frame | | 7 | SERIRQ | Serial IRQ | | 8 | CLK24M | 24 MHz oscillator in | | 9 | VSS | Ground | | 10 | KSO0 | Keyboard scan out 0 | | ... | ... | ... | | 40–45 | GPIO/ADC | General purpose / analog inputs | | 46–48 | VDD, VSS, RST# | Power and reset |

    ⚠️ Do not rely on these pin numbers without the verified datasheet. Always match against official Nuvoton document.

    Section 6.2.1 confirms that on the LPC_AD lines (pins 92-95), external 10kΩ pull-up resistors to 3.3V are mandatory for stable host communication. Without these, the EC will randomly fail to boot.

    Chart 4-3 in the verified datasheet shows the strict order:

    Common Failure Point: If the datasheet is missing page 34 (Power-up timing), technicians often wrongly replace the EC when the issue is actually a missing clock signal.


    | Feature | Specification | |---------|---------------| | CPU Core | 8051-compatible, 25 MHz (max) | | Program Memory | 128 KB Flash (ISP capable) | | RAM | 4 KB (data memory) | | LPC Interface | 1.0/1.1 compliant | | PWM Channels | 4–6 (for fan speed, backlight) | | ADC | 8-channel, 10-bit | | GPIO | Up to 36 (multiplexed) | | Timers | 3x 16-bit, plus watchdog | | Communication | UART, SPI, I²C (SMBus) | | Power Supply | 3.3V core, 3.3V I/O (some 5V tolerant) |